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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

The atomic heat capacities of all solid elements ______________ with decrease in temperature?

A Increases

B Decreases

C Remains unchanged

D Approach zero at 0°C

Review Detailed Answer

Correct Answer: Decreases

The value of the gas-law constant ‘R’ is 1.987 ?

A kcal/kg-mole.°C

B Btu/lb-mole.°R

C kcal/kg-mole.°K

D Both B. & C.

Review Detailed Answer

Correct Answer: Both B. & C.

Avogadro’s number is equal to__________________?

A 6.023 × 1023 molecules/kg.mole

B 6.023 × 1023 molecules/gm.mole

C 6.023 × 1016 molecules/kg.mole

D 6.023 × 1026 molecules/gm.mole

Review Detailed Answer

Correct Answer: 6.023 × 1023 molecules/gm.mole

The density of a liquid is 1500 kg/m3. Its value in gin/litre will be equal to________________?

A 1.5

B 15

C 150

D 1500

Review Detailed Answer

Correct Answer: 15

A saturated vapor on being compressed would___________________?

A Condense

B Form wet steam

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal______________?

A Kinetic energy

B Intermolecular forces of attraction

C Potential energy

D Total energy

Review Detailed Answer

Correct Answer: Kinetic energy

With rise in temperature, the solubility of ammonia in water at a fixed pressure__________________?

A Increases

B Decreases

C Remains unchanged

D Increases exponentially

Review Detailed Answer

Correct Answer: Decreases

One micron is equal to _____________ cm?

A 10-2

B 10-4

C 10-6

D 10-8

Review Detailed Answer

Correct Answer: 10-4

Kopp’s rule is useful for the determination of_____________________?

A Molal heat capacities of gases

B Heat capacities of solids

C Activation energy

D Heat capacities of gases

Review Detailed Answer

Correct Answer: Heat capacities of solids

The unit of specific heat at constant pressure, Cp, in SI unit is__________________?

A W/m2°C

B J/kg°K

C W/m°K

D J/m3°K

Review Detailed Answer

Correct Answer: J/kg°K

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The atomic heat capacities of all solid elements ______________ with decrease in temperature?

The value of the gas-law constant ‘R’ is 1.987 ?

Avogadro’s number is equal to__________________?

The density of a liquid is 1500 kg/m3. Its value in gin/litre will be equal to________________?

A saturated vapor on being compressed would___________________?

A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal______________?

With rise in temperature, the solubility of ammonia in water at a fixed pressure__________________?

One micron is equal to _____________ cm?

Kopp’s rule is useful for the determination of_____________________?

The unit of specific heat at constant pressure, Cp, in SI unit is__________________?